libs-base/Old/Streaming.h
fedor cc36fcd0ee Obsolete files
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@7189 72102866-910b-0410-8b05-ffd578937521
2000-08-08 14:11:01 +00:00

75 lines
2.2 KiB
Objective-C

/* Protocol for GNU Objective C byte streams
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <mccallum@gnu.ai.mit.edu>
Date: April 1995
This file is part of the GNUstep Base Library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
*/
#ifndef __Streaming_h__GNUSTEP_BASE_INCLUDE
#define __Streaming_h__GNUSTEP_BASE_INCLUDE
#include <Foundation/NSObject.h>
@protocol Streaming <NSObject>
- (int) writeByte: (unsigned char)b;
- (int) readByte: (unsigned char*)b;
- (int) writeBytes: (const void*)b length: (int)l;
- (int) readBytes: (void*)b length: (int)l;
- (int) writeFormat: (NSString*)format, ...;
- (int) readFormat: (NSString*)format, ...;
- (int) writeFormat: (NSString*)format arguments: (va_list)arg;
- (int) readFormat: (NSString*)format arguments: (va_list)arg;
- (void) writeLine: (NSString*)l;
- (NSString*) readLine;
- (unsigned) streamPosition;
- (BOOL) isAtEof;
- (void) flushStream;
/* We must separate the idea of "closing" a stream and "deallocating" a
stream because of delays in deallocation due to -autorelease. */
- (void) close;
- (BOOL) isClosed;
- (BOOL) isWritable;
@end
typedef enum _seek_mode_t
{
STREAM_SEEK_FROM_START,
STREAM_SEEK_FROM_CURRENT,
STREAM_SEEK_FROM_END
} seek_mode_t;
@protocol SeekableStreaming
- (void) rewindStream;
- (void) setStreamPosition: (unsigned)i;
- (void) setStreamPosition: (unsigned)i seekMode: (seek_mode_t)mode;
@end
#endif /* __Streaming_h__GNUSTEP_BASE_INCLUDE */